Update ghost-ignition to version 2.8.6 🚀 (#8010)

* chore(package): update ghost-ignition to version 2.8.6

https://greenkeeper.io/

* chore: yarn.lock

package.json

@@ -49,7 +49,7 @@
     "ghost-editor": "0.1.6",
     "fs-extra": "2.0.0",
     "ghost-gql": "0.0.6",
-    "ghost-ignition": "2.8.5",
+    "ghost-ignition": "2.8.6",
     "glob": "5.0.15",
     "gscan": "0.2.0",
     "html-to-text": "3.1.0",

yarn.lock

@@ -2155,9 +2155,9 @@ ghost-ignition@2.8.2:
     node-uuid "1.4.7"
     prettyjson "1.1.3"
 
-ghost-ignition@2.8.5:
-  version "2.8.5"
-  resolved "https://registry.yarnpkg.com/ghost-ignition/-/ghost-ignition-2.8.5.tgz#4007e0dac3de3088cef533fec41da18df2f7b97b"
+ghost-ignition@2.8.6:
+  version "2.8.6"
+  resolved "https://registry.yarnpkg.com/ghost-ignition/-/ghost-ignition-2.8.6.tgz#f8a2f970b20f1db6b225ce22aef54f76c6857a6e"
   dependencies:
     bunyan "1.8.5"
     bunyan-loggly "1.1.0"
@@ -3786,11 +3786,11 @@ lodash@4.16.3:
   version "4.16.3"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.16.3.tgz#0ba761439529127c7a38c439114ca153efa999a2"
 
-lodash@4.16.4, lodash@~4.16.4:
+lodash@4.16.4:
   version "4.16.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.16.4.tgz#01ce306b9bad1319f2a5528674f88297aeb70127"
 
-lodash@4.16.6:
+lodash@4.16.6, lodash@~4.16.4:
   version "4.16.6"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.16.6.tgz#d22c9ac660288f3843e16ba7d2b5d06cca27d777"